What powers sectron.cz?

Last seen Oct 2026 · 19 technologies across 13 categories

Advertising

Microsoft Advertising
since Apr 2025

Analytics

Facebook Pixel
since Jul 2021
Google Analytics
since Jan 2019
Microsoft Clarity
since Aug 2024

Font scripts

Google Font API
since Aug 2020
Typekit
since May 2021

JavaScript libraries

core-js v3.49.0
since Sep 2021
jQuery v3.6.0
since Jan 2019
Select2
since Aug 2020

Live chat

Tawk.to
since May 2021

Miscellaneous

Open Graph
since Sep 2022
PWA
since Aug 2022

Payment processors

PayPal
since Apr 2023

Programming languages

PHP
since Jan 2019

Security

HSTS
since Apr 2023

Tag managers

Google Tag Manager
since Jan 2019

Web frameworks

Nette Framework
since Jan 2019

Web servers

Nginx
since Aug 2026

Webmail

Microsoft 365
since Aug 2022

AI Crawlers

Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Oct 2026.

  • robots.txt found
  • llms.txt not found
  • ai.txt not found

See who blocks each AI crawler across the web

AI Crawlers

No AI crawlers blocked

Full breakdown

Audience

  • 51% phone
  • 49% desktop
  • Czechia

Where the site's Chrome visitors come from, largest estimated audience first.

Open Page Rank

3.31 / 10 · ranked #1,117,951 of all domains

29 referring domains · OpenPageRank

Core Web Vitals

LCP1 s
INP100 ms
CLS0
TTFB400 ms

Real user p75, Chrome UX Report, Sep 2026.

Page

  • Language: Czech
  • Weight: 0.4 MB · 37 requests
  • Structured data: OpenGraph

Homepage as crawled by the HTTP Archive, Oct 2026.

Infrastructure

  • DNS: gransy.com
  • Email: no MX record returned, SPF names Microsoft 365
  • Email security: SPF (hard fail), DMARC reject, DNSSEC signed
  • SSL: Let's Encrypt, ECDSA P256, expires Oct 2026
  • Common Crawl link graph: rank 12,784,729, 8 hosts
  • Verified with: Google, Meta Business, Microsoft 365, Pinterest

DNS records as swept Oct 2026, certificate as seen Sep 2026. How the web is hosted

Subdomains

HostTechs
eshop.sectron.cz 18
www.sectron.cz 10

Full technology history →
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